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Маятник колеблется по закону x = Asin(ωt+φ0). В момент времени t = 0 смещение маятника от положения равновесия равно x = 5 см, а скорость v = 10 см/с. Определить амплитуду и начальную фазу колебаний, если круговая частота ω = 2 рад/с.
